[PATCH] net: ethernet: cortina: permit to set mac address in DT

Corentin Labbe
2021-10-26T19:17:17Z

Add ability of setting mac address in DT for cortina ethernet driver.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
drivers/net/ethernet/cortina/gemini.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 941f175fb911..f6aa2387a1af 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -2356,12 +2356,14 @@ static void gemini_port_save_mac_addr(struct gemini_ethernet_port *port)
static int gemini_ethernet_port_probe(struct platform_device *pdev)
{
char *port_names[2] = { "ethernet0", "ethernet1" };
+ struct device_node *np = pdev->dev.of_node;
struct gemini_ethernet_port *port;
struct device *dev = &pdev->dev;
struct gemini_ethernet *geth;
struct net_device *netdev;
struct device *parent;
unsigned int id;
+ u8 mac[ETH_ALEN];
int irq;
int ret;

@@ -2466,6 +2468,12 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
netif_napi_add(netdev, &port->napi, gmac_napi_poll,
DEFAULT_NAPI_WEIGHT);

+ ret = of_get_mac_address(np, mac);
+ if (!ret) {
+ dev_info(dev, "Setting macaddr from DT %pM\n", mac);
+ memcpy(port->mac_addr, mac, ETH_ALEN);
+ }
+
if (is_valid_ether_addr((void *)port->mac_addr)) {
eth_hw_addr_set(netdev, (u8 *)port->mac_addr);
} else {
--
2.32.0